Project description
Insight into the mechanism of chronic pain
Peripheral sensory neurons in the skin known as nociceptors alert us to potentially damaging stimuli by detecting signals or responding to chemicals from damaged tissue. Nociceptors transform these stimuli into electrical signals in the brain, causing the sensation of pain. The EU-funded SCOPE project aims to address the limited efficacy of existing analgesic medications against chronic pain associated with cancer and central neuropathies. Researchers will focus on the transient receptor potential ankyrin 1 (TRPA1) channel, which is expressed in Schwann cells and is implicated in acute pain. The idea is to investigate the role of the TRPA1–Schwann cell axis in chronic pain and identify putative new drug targets.
Objective
Chronic pain, characterized by increased sensitivity to innocuous/mild stimuli (allodynia), afflicts 25% of the European adult population. Efficacy and/or safety of analgesic medicines is limited, and the treatment of chronic pain associated with inflammation, peripheral and central neuropathies and cancer remains unsatisfactory. Thus, identification of novel targets for better and safer analgesics is a major medical need. Transient receptor potential ankyrin 1 (TRPA1) channel, expressed by a subpopulation of primary sensory neurons (nociceptors), has been proposed as a major transducer of acute pain. We have, recently, identified that TRPA1 is expressed in Schwann cells that ensheath peripheral nerve fibres. In a prototypical model of neuropathic pain (sciatic nerve ligation in mice), we discovered that Schwann cell-TRPA1 exerts a hitherto unknown role that, via amplification of the oxidative stress message, sustains neuroinflammation and chronic pain (allodynia). Thus, Schwann cells, through their own repertoire of channels and enzymes orchestrate in the injured/inflamed tissue an autocrine/paracrine signalling pathway to sustain chronic pain. The purpose of the present project is to extend this observation to other models of inflammatory, neuropathic and cancer pain to identify a general paradigm based on Schwann cell/TRPA1/oxidative stress as the pathway that sustains chronic pain. We aim also at identifying in oligodendrocytes (the Schwann cells of the brain) whether the TRPA1/oxidative stress pathway sustains pain in the central nervous system. In mouse, rat and human Schwann cells/oligodendrocytes we aim at identifying biomarkers and combine them into biosignatures predictive of the susceptibility to the development of chronic pain. We anticipate that each molecular step that entails the TRPA1/oxidative stress pathway in Schwann cell lineages is an eligible target for discovering new effective and safer medicines for the treatment of chronic pain.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- medical and health sciences clinical medicine oncology
- natural sciences biological sciences biochemistry biomolecules proteins enzymes
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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H2020-EU.1.1. - EXCELLENT SCIENCE - European Research Council (ERC)
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Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
ERC-ADG - Advanced Grant
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Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) ERC-2018-ADG
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50121 Florence
Italy
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